In this post, you’ll learn more about the MariaDB Error 1200 ER_BAD_SLAVE with the details of the error message and why you receive this error
Maria DB Error Description
MariaDB Error 1200 – ER_BAD_SLAVE with the sqlState HY000
Error Description for the MariaDB Error ER_BAD_SLAVE
The server is not configured as slave; fix in config file or with CHANGE MASTER TO